Knitted band for zipper

A knitted band for a zipper, which is made by a double needle bar raschel knitting machine and has a predetermined length in a warp direction, comprising

• a first warp structure along the warp direction;
• a second warp structure along the warp direction and interlacing the first structure and located on one side of the knitted band along with the first structure;
• a third structure along the warp direction as a chain-like shape without weaving with the first and second structures;
• a fourth structure along a woof direction for more than two needle pitches;
• a fifth structure along the woof direction for more than two needle pitches and interlacing the fourth structure, wherein a part of the fourth structure and the fifth structure is knitted with the first and second structures, and the threads used in the first and second structures are more than the threads used in the third, fourth and fifth structures, whereby the first and second structures form a convex portion joined to the zipper and the third, fourth and fifth structures form a band portion having a thickness less than the convex portion.